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new iter-iter iterator and kern.func-info module

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This commit is contained in:
Celestino Amoroso
2026-05-05 20:38:30 +02:00
parent 7f34ccf955
commit acd4f8487d
30 changed files with 527 additions and 485 deletions
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operator-filter.go
+5 -2
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@@ -28,6 +28,7 @@ func evalFilter(ctx kern.ExprContext, opTerm *scan.Term) (v any, err error) {
var leftValue, rightValue any
var it kern.Iterator
var item any
var ok bool
if err = opTerm.CheckOperands(); err != nil {
return
@@ -37,8 +38,10 @@ func evalFilter(ctx kern.ExprContext, opTerm *scan.Term) (v any, err error) {
return
}
if it, err = NewIterator(leftValue); err != nil {
return nil, fmt.Errorf("left operand of FILTER must be an iterable data-source; got %s", kern.TypeName(leftValue))
if it, ok = leftValue.(kern.Iterator); !ok {
if it, err = NewIterator(ctx, leftValue, nil); err != nil {
return nil, fmt.Errorf("left operand of FILTER must be an iterable data-source; got %s", kern.TypeName(leftValue))
}
}
values := kern.NewListA()